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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2010-12-29 10:54:57 +0000 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2010-12-29 10:54:57 +0000 |
| commit | 617517656222c59a8e3c28ec9564c02891f522f2 (patch) | |
| tree | 08ad030aed496bc6a821bf483dda1a32727adaa7 /c/src/lib/libbsp/powerpc/mpc55xxevb/startup | |
| parent | 2010-12-29 Sebastian Huber <sebastian.huber@embedded-brains.de> (diff) | |
| download | rtems-617517656222c59a8e3c28ec9564c02891f522f2.tar.bz2 | |
2010-12-29 Sebastian Huber <sebastian.huber@embedded-brains.de>
* Makefile.am, preinstall.am, startup/start.S: Use standard zero
function.
* startup/linkcmds.base: Reserve enough space for the exception
minimum prologues. Changed start section name.
* startup/bspstart.c: Removed superfluous cache initialization.
* configure.ac: Fixed option default values.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc55xxevb/startup')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c | 10 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.base | 5 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start.S | 24 |
3 files changed, 6 insertions, 33 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c index 417a3da969..fc2cae6211 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c @@ -646,14 +646,4 @@ void bsp_start(void) /* Initialize eMIOS */ mpc55xx_emios_initialize( MPC55XX_EMIOS_PRESCALER); - - /* - * Enable instruction and data caches. Do not force writethrough mode. - */ -#if INSTRUCTION_CACHE_ENABLE - rtems_cache_enable_instruction(); -#endif -#if DATA_CACHE_ENABLE - rtems_cache_enable_data(); -#endif } diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.base b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.base index cb5b9c3622..87f4313323 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.base +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.base @@ -19,7 +19,8 @@ SECTIONS /* * BSP: System startup entry */ - KEEP (*(.entry)) + KEEP (*(.bsp_start_text)) + KEEP (*(.bsp_start_data)) /* * BSP: Moved into .text from .init @@ -98,7 +99,7 @@ SECTIONS /* * BSP: Reserve space for exception handler */ - . = . + 0x230; + . = . + 0x130; . = ALIGN (bsp_section_align); } > REGION_VECTORS diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start.S b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start.S index 9e6bf84093..ef920e61c6 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start.S +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/start.S @@ -28,7 +28,7 @@ #include <mpc55xx/reg-defs.h> #include <bspopts.h> -.section ".entry", "ax" +.section ".bsp_start_text", "ax" PUBLIC_VAR (start) .globl fmpll_syncr_vals bam_rchw: @@ -127,28 +127,10 @@ start: /* Addresses */ LA r3, bsp_ram_start - LA r4, bsp_ram_end - - /* Assert: Proper alignment of destination start */ - andi. r6, r3, 0x3f - bne twiddle - - /* Assert: Proper alignment of destination end */ - andi. r6, r4, 0x3f - bne twiddle - - /* Data size = destination end - destination start */ - subf r4, r3, r4 - - /* Save time */ - mftb r24 + LA r4, bsp_ram_size /* Zero */ - bl SYM (mpc55xx_zero_32) - - /* Save time and get time delta */ - mftb r25 - subf r24, r24, r25 + bl SYM (bsp_start_zero) /* * Copy data |